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List:       james-dev
Subject:    [jira] [Commented] (JDKIM-37) DKIM validation fails on message with empty body
From:       "Alexei Osipov (JIRA)" <jira () apache ! org>
Date:       2017-05-29 13:06:04
Message-ID: JIRA.13071246.1494522217000.314756.1496063164059 () Atlassian ! JIRA
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    [ https://issues.apache.org/jira/browse/JDKIM-37?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16028307#comment-16028307 \
] 

Alexei Osipov commented on JDKIM-37:
------------------------------------

Related spec: [RFC 6376: The "relaxed" Body Canonicalization Algorithm | \
https://tools.ietf.org/html/rfc6376#section-3.4.4]

> DKIM validation fails on message with empty body
> ------------------------------------------------
> 
> Key: JDKIM-37
> URL: https://issues.apache.org/jira/browse/JDKIM-37
> Project: James jDKIM
> Issue Type: Bug
> Components: library
> Environment: Windows 10, java 8 1.8.0_131
> Reporter: Marco Nembrini
> Attachments: empty_body_test.txt, empty_body.txt
> 
> 
> I'm having trouble verifying DKIM signatures on messages with an empty body:
> I am attaching a minimal test case with some personal info removed (one Received: \
> header and the UserAgent) and the email itself. The signature verifies (see the \
> fastmail headers) and even opendkim is fine with it: opendkim -t empty_body.txt
> opendkim: empty_body.txt: verification (s=fm1, d=messagingengine.com, 2048-bit key) \
> succeeded Either I'm doing something wrong in how i'm using the library or there is \
> a bug, I hope you can tell me which one is the case here.



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